Home / 26,979.84-37,234.08-15,808.32

Finding the Fourth Proportional to 26,979.84, 37,234.08 and 15,808.32

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Solution

The fourth proportional to 26,979.84, 37,234.08 and 15,808.32 is: 21,816.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,979.84 : 37,234.08 = 15,808.32 : x
  2. Step 2: Convert to fraction form
    26,979.84/37,234.08 = 15,808.32/x
  3. Step 3: Cross multiply
    26,979.84x = 37,234.08 × 15,808.32
  4. Step 4: Simplify right side
    26,979.84x = 588,608,251.55
  5. Step 5: Solve for x
    x = 588,608,251.55/26,979.84
  6. Step 6: Final answer
    x = 21,816.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.